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“Notice: Undefined variable”, “Notice: Undefined index”, and “Notice: Undefined offset” using PHP
...value of an uninitialized variable is problematic in the case of including one file into another which uses the same variable name. It is also a major security risk with register_globals turned on. E_NOTICE level error is issued in case of working with uninitialized variables, however not in the cas...
In jQuery, how do I select an element by its name attribute?
...iobutton value when clicking on it using jQuery?". A small difference, but one that baffled me for a bit.
– gargantuan
Mar 2 '12 at 10:13
1
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What characters are forbidden in Windows and Linux directory names?
...r-case and lower-case characters, so you cannot create a folder named A if one named a already exists. Worse, seemingly-allowed names like PRN and CON, and many others, are reserved and not allowed. Windows also has several length restrictions; a filename valid in one folder may become invalid if mo...
How to manage client-side JavaScript dependencies? [closed]
...score: "http://underscorejs.org/underscore-min.js", // Remote
backbone: "https://github.com/documentcloud/backbone/blob/master/backbone-min.js" // Remote on github
},
shim: {
backbone: {
deps: ["underscore", "jquery"] // Backbone depends on jquery and underscore
...
What's the difference between KeyDown and KeyPress in .NET?
...ys the character resulting from a keypress, and is only called if there is one.
In other words, if you press A on your keyboard, you'll get this sequence of events:
KeyDown: KeyCode=Keys.A, KeyData=Keys.A, Modifiers=Keys.None
KeyPress: KeyChar='a'
KeyUp: KeyCode=Keys.A
But if you press Shift+A,...
Can a class member function template be virtual?
... it would need to call a templatized virtual function, compilation is all done and the compiler cannot generate the appropriate instance anymore. Therefore you cannot have virtual member function templates.
However, there are a few powerful and interesting techniques stemming from combining polymo...
How do I copy a version of a single file from one git branch to another?
...o Copy-and-Paste its content to another document.
– Gonen
Aug 14 '14 at 7:46
I just wanted to view it so I could compa...
What is Dispatcher Servlet in Spring?
...a single servlet receives all requests and transfers them to all other components of the application.
The task of the DispatcherServlet is to send request to the specific Spring MVC controller.
Usually we have a lot of controllers and DispatcherServlet refers to one of the following mappers in ord...
What is HEAD in Git?
...ch. When you checkout a different branch, HEAD changes to point to the new one. The current HEAD is local to each repository, and is therefore individual for each developer.
– Greg Hewgill
Feb 20 '10 at 23:04
...
Proper way to make HTML nested list?
...ting" a list. It is useful for things like tables of contents, such as the one at the start of this article:
Chapter One
Section One
Section Two
Section Three
Chapter Two
Chapter Three
The key to nesting lists is to remember that the nested list should relate to one sp...